Explain what is the molar mass of thyroxine

Assignment Help Chemistry
Reference no: EM13501477

Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated from the thyroid gland. When 0.455g of Thyroxine is dissolve in 10.0g of benzene, the freezing point of the solutions depressed by 0.300C. What is the molar mass of thyroxine?

Reference no: EM13501477

Questions Cloud

Explain a procedure for making 100 ml : Describe a procedure for making 100 mL of a 0.10 M solution of barium nitrate, Ba(NO3)2. Make sure to include all equipment and amounts
Determine the rms voltage of the source : An L-R-C series circuit with an inductance of 0.123 H , a resistance of 240 omega , and a capacitance of 7.29 micro F carries an rms current of 0.445. What is the rms voltage of the source
Explain what is the average size of an oil molecule : In 1773 Ben Franklin poured a teaspoon of oil onto a pond. He observed that it spread out to form a film that covered an area of about 22,000 ft2. If a teaspoon has a volume of about 5 cm3 and if the film was roughly one molecule thick, then what ..
Determine the speed and acceleration of the mass : A 300-g mass at the end of an ideal spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above at its highest point. find the speed and acceleration of the mass when it is 12 cm above the tabl..
Explain what is the molar mass of thyroxine : Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated from the thyroid gland. When 0.455g of Thyroxine is dissolve in 10.0g of benzene, the freezing point of the solutions depressed by 0.300C. What is th..
Determine the magnification of the microscope : In a microscope the length of a tube is 20cm. The focal length of the objective is 1.00cm and the focal length of the eye piece is 3.00cm. Find the magnification of the microscope
Describe the osmotic pressure of the solution : A biochemical engineer isolates a bacterial gene fragment and dissolves a 14.0 mg sample of the material in enough water to make 34.5 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C.
Explain what are the partial pressures of these substances : What are the partial pressures of these substances in the vapor above a solution of 1.54 mol of CH2Cl2 and 1.38 mol of CCl4 at 23.5°C
Explain what is the molar mass of the polymer sample : In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves 6.099 g poly(vinyl alcohol) in enough water to make 100.0 mL of solution. At 25°C, the osmotic pressure of this solution is 0.242 atm. What is the molar ma..

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd